Discharge Breakdown By-products of CF3I/N2 Gas Mixtures at High Pressure

被引：0
|
作者：
Tu, You-ping [1 ]
Zhou, Fu-wen [1 ]
Wang, Cong [1 ]
Qin, Si-chen [1 ]
Luo, Yan [1 ]
机构：
[1] North China Elect Power Univ, Beijing Key Lab High Voltage & EMC, Beijing, Peoples R China
来源：
2016 IEEE ELECTRICAL INSULATION CONFERENCE (EIC) | 2016年
关键词：
CF3I/N-2 gas mixtures; High pressure; Discharge breakdown by-products;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
CF3I/N-2 gas mixtures is expected to replace SF6 gas and applied in gas insulated switchgear. This paper presents discharge breakdown by-products of CF3I/N-2 gas mixtures at high pressure under DC voltage and LI voltage. The results of the solid by-products analyzed by elemental analysis and ion chromatography reveal that iodine element was the dominant component. The results of the gas by-products analyzed by GC-MS reveal that C2F5I was the dominant component. CF3I was converted to C2F5I under the action of electric arc and C2F5I was finally converted to I-2 and CF3I after a long time. The research results can provide a design guideline for gas insulated switchgear which use CF3I gas.
引用
收藏
页码：301 / 304
页数：4
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